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MCU14/0056 - Attachment H -Economic Needs Assessment
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Debris screen Perforated Timber spacer Wire mesh or chain link wire
riser pipe 50 x 50mm
Oil skimmer
Riser pipe Heavy-duty
needle punched
filter cloth
Wire mesh
Timber spacers Perforation
Oil skimmer
Primary
holes Filter cloth wrap
Heavy-duty
perforation holes
needle
200 at base of settling
punched
zone
150 filter cloth
Minimum
dimensions
150
(min)
Anti-flotation weight
Perforated riser pipe Anti-seep collars
Timber spacer Wire mesh Filter cloth wrap
(a) Riser pipe outlet with geofabric filtration system
Perforated
(b) Typical assembly of riser pipe with geotextile filter
riser pipe
Anti-vortex plate Oil skimmer Debris screen
150
200
300 150
Minimum
Flow
Catchments & Creeks Pty Ltd
dimensions
150
(min)
Perforated riser pipe Drawn: Date:
Sediment Basins - Riser Pipe
(c) Anti-vortex plate, oil skimmer and debris screen GMW Feb-10 Primary Outlet System SB-03
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